JP2002315611A - Catch for jewelry - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple-structured catch for jewelry to be attached/ detached with one action, capable of adding decorativeness to the catch at a low cost without affecting the function of the catch. SOLUTION: The catch 12 for jewelry is for fixing a pin 11 attached to the jewelry body by fitting the pin into the jewelry body. In the catch 12, a recessed groove 15 is formed in the outer circumference of a housing 13 of the catch, and an elastic ring 16 to be engaged with the recessed groove is held in a cylindrical cover 17 fitted into the outer circumference of the housing. Accordingly, the elastic ring is engaged with the recessed groove when the cylindrical cover is fitted into the outer circumference of the housing, and the cylindrical cover can be attached to the outer circumference of the housing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastener for an accessory which can be suitably applied to an accessory, especially a pin broach.

[0002]

2. Description of the Related Art Conventionally, broaches having pins for jewelry ...
The pin broach is configured such that the pin attached to the decoration body is engaged with the stopper even if the shape is different, and the operation knob is pulled to perform the detaching operation. Moreover, the engagement operation by the stopper is performed by the elastic force of an elastic body such as a leaf spring or a coil spring, and the disengagement operation is performed by operating the operation knob against the elastic force. It has become. Therefore, basically, this fastener is required to have only the function, and the decorativeness is not considered at all. What has conventionally been considered as a structure for giving a decorative property to a metal fitting is that, at most, the slack of the chain is utilized while being connected to the decorative body by a chain with a Vatican or the like.

[0003]

Since the conventional stoppers of the pin broach are often constituted only by the functions as described above, little attention has been paid to the decorativeness. Since is visible from the outside, it has been required to consider the decorativeness. However, the stopper is originally a small part, and there is a problem that heat treatment such as brazing is not suitable to prevent the elasticity of the internal coil spring from being impaired. It was very difficult to make the metal fittings decorative.

The present invention is intended to solve the above-mentioned drawbacks of the prior art, and has a simple structure, does not affect the function of the stopper at all, can be attached and detached with one touch, and has a knob for operation. It is an object of the present invention to provide a fastener for an accessory which can provide decorativeness to the fastener at a low cost without hindering the operation.

[0005]

According to the present invention, there is provided a clasp for an accessory, wherein a pin attached to a decorative body is fitted and fixed, wherein a groove is formed on an outer periphery of a housing of the clasp for the accessory. By holding the elastic ring that engages with the concave groove on the cylindrical cover that is fitted on the outer periphery of the housing, the elastic ring engages with the concave groove when the cylindrical cover is fitted on the outer periphery of the housing. The cover is attached to the outer periphery of the housing.

According to the present invention, the elastic ring has an inner peripheral surface having the same diameter as the outer peripheral surface of the concave groove in a normal state, and can be expanded when pushed into the housing together with the cylindrical cover. It is also characterized by maintaining elasticity.

[0007] A fastener for an accessory according to the present invention is characterized in that the tubular cover is used mainly for attaching a decorative body.

Since the present invention is constructed as described above, it has a simple structure, does not affect the function of the stopper, and can be attached and detached with one touch. Thus, it has become possible to provide a decorative metal fastener capable of imparting decorative properties to the metal fastener at low cost.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a clasp for an accessory according to the present invention.
FIG. 1 shows an embodiment of the fastener for personal accessories, a side view of a state in which a cylindrical cover is attached to a housing of the fastener, FIG. 2 is a side view of an exploded state, FIG. FIG. 4 is a cross-sectional view showing a relationship between the stopper and the pin, FIG. 5 is a cross-sectional view of a state where the pin is pushed into the stopper,
FIG. 6 is a cross-sectional view showing a state where the operation knob is pulled.

FIG. 1 is a perspective view of a fastener for an accessory according to the present invention.
As shown in FIG. 3 to FIG. 3, in a fastener 12 for an accessory that fits and fixes a pin 11 attached to a decorative body (not shown), the fastener 12 includes a cylindrical housing 13 having a tapered tip. , And an operation knob 14 connected to a rear portion thereof. A groove 15 is formed on the outer periphery of the housing 13 of the stopper 12 in the circumferential direction.
The elastic ring 16 is mounted in the concave groove 15. At this time, the concave groove 15 is formed at a depth at which the elastic ring 16 protrudes from the peripheral surface of the housing 13.

A cylindrical cover 17 is further fitted on the outer periphery of the housing 13. This cylindrical cover 17 is
The housing 13 has an inner circumference with a diameter that can be smoothly inserted into the outer circumference, and a mounting groove 18 into which the elastic ring 16 is fitted is formed at a predetermined position in the length direction. Although the mounting groove 18 is a slit formed over substantially the entire circumference of the cylindrical cover 17 in the figure, the cylindrical cover 17
Needless to say, the enlarged diameter portion may be provided.
Then, the elastic ring 16 engaged with the concave groove 15 is held by the mounting groove 18, and the cylindrical cover 17 is pushed into the housing 13 of the stopper 12 in this state, so that the cylindrical cover 17 is attached to the stopper 12. Be attached. That is, when the cylindrical cover 17 is fitted on the outer periphery of the housing 13, the elastic ring 16 expands in diameter due to its elasticity and slides on the housing 13, and the elastic ring 16 engages with the concave groove 15 and stops sliding. .

According to the present invention, the cylindrical cover 17 is attached to the housing 13 for the purpose of attaching the decorative body as described above.
It is designed to be attached to the outer periphery of the. Therefore, when fitting the cylindrical cover 17 into the concave groove 15 of the housing 13, the cylindrical cover 17 is fixed to the housing 13 of the fitting 12 while the elastic ring 16 is held by the mounting groove 18.
Just push it in. Further, the cylindrical cover 17 is attached to the housing 1.
3, the elastic ring 16 is attached to the mounting groove 18 against the elasticity of the elastic ring 16 fitted in the concave groove 15.
The cylindrical cover 17 is held in the state
Can be pulled out of the housing 13 of the first embodiment. Of course, after removing only the elastic ring 16 from the mounting groove 18 of the tubular cover 17 in advance, the tubular cover 17 may be pulled out of the housing 13 of the stopper 12.

The cylindrical cover 17 has a decorative body mounting portion 19 formed on the outer periphery thereof, and a decorative body (not shown) can be mounted on the mounting portion 19. If this decoration body is attached to the attachment portion 19 in advance,
No heat treatment such as brazing is performed after assembling, so that the internal mechanism of the fastener 2 is not adversely affected. In the figure, reference numeral 20 denotes a Vatican attached to the operation knob 14, which is connected to the decoration main body side via a chain or the like, and can be used to prevent the stopper 12 from being lost.

FIGS. 4 to 6 show the stopper 12 and the pin 1.
FIG. 3 is an operation explanatory diagram showing a relationship with 1; The stopper 12
Accommodates a pin guide 21 integrally formed with the operation knob 14 in the housing 13. The pin guide 21 is formed in a cylindrical shape, and a receiving portion 23 for holding at least one pair of small balls 22 is formed at a tip portion thereof. Reference numeral 24 denotes a coil spring fitted on the outer periphery of the pin guide 21, which acts to draw the pin guide 21 into the housing 13 in a normal state. That is, the pin 1 in FIG.
5 is inserted into the stopper 12, the pin 11 is moved from the tip of the stopper 12 to the pin guide 2 as shown in FIG.
1 and the small ball 22 is inserted into the coil spring 2
4 is pressed into the tapered portion 25 of the housing 13 by the pin guide 21 urged by 4. Therefore, the pin 11 is pinched by the small ball 22 and does not easily fall off the stopper 12.

On the other hand, when pulling out the pin 11 from the stopper 12, if a force is applied to pull out the operating knob 14 from the stopper 12, the pin guide 21 resists the force of the coil spring 24 as shown in FIG. Then, the pin 11 is retracted from the tapered portion 25 and the load applied to the small ball 22 to pinch the pin 11 is eliminated, so that the pin 11 can be easily removed from the pin guide 21 of the stopper 12.

The material and shape of the decorative body attached to the mounting portion 19 may be independent of the material and mechanism of the stopper 12, and various materials, shapes and patterns can be used.

[0017]

The present invention is configured as described above.
With a simple structure, it does not affect the function of the fastener at all, it can be attached and detached with one touch, and it does not hinder the operation of the operation knob, and it gives decorativeness to the fastener at low cost. It has become possible to provide a fastener for accessories that can be used.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a fastener for an accessory, in which a cylindrical cover is attached to a housing of the fastener.

FIG. 2 is a side view of a disassembled state.

FIG. 3 is a front view thereof.

FIG. 4 is a cross-sectional view showing a relationship between a stopper and a pin.

FIG. 5 is a sectional view showing a state where a pin is pushed into a stopper.

FIG. 6 is a sectional view showing a state where an operation knob is pulled.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 pin 12 stopper 13 cylindrical housing 14 operating knob 15 concave groove 16 elastic ring 17 cylindrical cover 18 mounting groove 19 mounting portion 20 Vatican 21 pin guide 22 small ball 23 receiving portion 24 coil spring 25 taper portion

Claims (3)

[Claims] 1. A fastener for an accessory for fitting and fixing a pin attached to a decorative body, wherein a groove is formed on the outer periphery of a housing of the fastener for the accessory, and the concave cover is fitted on a cylindrical cover fitted on the outer periphery of the housing. By holding the elastic ring engaged with the groove, the elastic ring engages with the concave groove when the cylindrical cover is fitted to the outer periphery of the housing, so that the cylindrical cover can be attached to the outer periphery of the housing. Characteristic fasteners for accessories. 2. The elastic ring according to claim 1, wherein an inner peripheral surface of the elastic ring has the same diameter as an outer peripheral surface of the concave groove in a normal state, and retains elasticity capable of expanding when the elastic ring is pushed into the housing together with the cylindrical cover. 2. The fastener for jewelry according to 1. 3. The fastener for an accessory according to claim 1, wherein the tubular cover is capable of attaching a decorative body.